Remove the variable only used by assert to avoid the build failure

caused by build options [-Werror,-Wunused-variable].

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195905 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/AArch64/AArch64ISelLowering.cpp b/lib/Target/AArch64/AArch64ISelLowering.cpp
index 7311d554ee0b7478728352ffad3e81c743a53127..15232523fe41201cb1e21f73e206d38c9aeb0cba 100644 (file)
--- a/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -4241,8 +4241,8 @@ AArch64TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op,
     // Test if V1 is a CONCAT_VECTORS.
     if (V1.getOpcode() == ISD::CONCAT_VECTORS) {
       if (V1.getOperand(1).getOpcode() == ISD::UNDEF) {
-        int V1EltNum = V1.getOperand(0).getValueType().getVectorNumElements();
-        assert((Lane < V1EltNum) && "Invalid vector lane access");
+        assert((Lane < V1.getOperand(0).getValueType().getVectorNumElements())
+               && "Invalid vector lane access");
         return DAG.getNode(AArch64ISD::NEON_VDUPLANE, dl, VT, V1.getOperand(0),
                            DAG.getConstant(Lane, MVT::i64));
       }